Confound Confounding is when a researcher does not control some extraneous variables that may influence the results...the only variable that should influence the results is the variable being studied.
Fairfax, Virginia. This article is about the independent city surrounded by Fairfax County. For the county, see Fairfax County, Virginia. For the town in Culpeper County, formerly named Fairfax, see Culpeper, Virginia. Fairfax (/ËfÉÉr.fÃ¦ks/ FAIR-faks), colloquially Central Fairfax, Downtown Fairfax, Fairfax City, Oldtown Fairfax, Historic Fairfax, or the City of Fairfax, is an independent city in the Commonwealth of Virginia. As of the 2010 census the population was 22,565, which had risen to an estimated 24,013 as of 2015.
From Washington DC (1-95 South): If you are traveling south on 1-95, take the Fairfax Parkway/Backlick Road (286) exit 166 A. Take the Fairfax County Parkway to its end at U.S. Rt. 1 (Richmond Highway.) Turn left. At the first light, on the right at Pohick Rd., is the entrance for Tulley Gate on to Fort Belvoir.